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CC767S Brass vs. C78200 Nickel Silver

Both CC767S brass and C78200 nickel silver are copper alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC767S brass and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 34
3.0 to 40
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 430
370 to 630
Tensile Strength: Yield (Proof), MPa 150
170 to 570

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 840
1000
Melting Onset (Solidus), °C 790
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
48
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
11
Electrical Conductivity: Equal Weight (Specific), % IACS 36
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
18 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 100
130 to 1440
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
12 to 21
Strength to Weight: Bending, points 16
14 to 19
Thermal Diffusivity, mm2/s 34
15
Thermal Shock Resistance, points 14
12 to 21

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0
Copper (Cu), % 58 to 64
63 to 67
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0 to 0.1
1.5 to 2.5
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
7.0 to 9.0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 32.8 to 41.9
20.2 to 28.5
Residuals, % 0
0 to 0.5